Alarmed by the growing environmental crisis in 1960’s America, a visionary scientist and a team of committed experts plan a domed city for 250,000 people whose futuristic technology and innovative design will eradicate the pollution and waste of the modern city, and lead the way toward a new, 21st-Century way of urban life. But before the city of the future breaks ground on a virgin site in isolated northern Minnesota, rural citizens and mistrustful environmentalists rise up in protest, doubtful of its pollution-free promises.